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The quality-control plan for a certain production process involves taking samples of size 4. The results from the last 30 samples can be summarized as follows: 30 30 30 = 712.5 R, = 143.7 >s; = 62.5 i=l i=l i=l Compute the 3ơ control limits for the R chart. b. a. Compute the 3ơ control limits for the S chart. Using the sample ranges, compute the 30 control limits for the y chart. d. C. Using the sample standard deviations, compute the 30 control limits for the y chart.

The quality-control plan for a certain production process involves taking samples of size 4. The results from the last 30 samples can be summarized as follows: 30 30 30 = 712.5 R, = 143.7 >s; = 62.5 i=l i=l i=l Compute the 3ơ control limits for the R chart. b. a. Compute the 3ơ control limits for the S chart. Using the sample ranges, compute the 30 control limits for the y chart. d. C. Using the sample standard deviations, compute the 30 control limits for the y chart.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The quality-control plan for a certain production process involves taking samples of size 4. The results from the last 30 samples can be summarized as follows: 30 30 30 = 712.5 R, = 143.7 >s; = 62.5 i=l i=l i=l Compute the 3ơ control limits for the R chart. b. a. Compute the 3ơ control limits for the S chart. Using the sample ranges, compute the 30 control limits for the y chart. d. C. Using the sample standard deviations, compute the 30 control limits for the y chart.
Transcribed Image Text:The quality-control plan for a certain production process involves taking samples of size 4. The results from the last 30 samples can be summarized as follows: 30 30 30 = 712.5 R, = 143.7 >s; = 62.5 i=l i=l i=l Compute the 3ơ control limits for the R chart. b. a. Compute the 3ơ control limits for the S chart. Using the sample ranges, compute the 30 control limits for the y chart. d. C. Using the sample standard deviations, compute the 30 control limits for the y chart.
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